uxcell 30mm Iron Cutter Metal Twist Drill Bit Hole Saw Tool 65mm Long Product Name : Hole Saw;Material : HSS Bit Diameter : 5mm / 1/5";Shank Size : 7.5 x 20mm / 19/64" x 25/32" (D*H) Cutting Depth : 13mm / 0.51";Cutting Diameter : 30mm / 1.2" Total Length : 65mm / 2.55";Total Net Weight : 38g Package Content : 1 x Hole Saw